Playing-ball.



(No Model.)

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, Patented July 15, I902.

E. KEMPSHALL.

PLAYING BALL.

(Application filed May 12, 1902.)

UNITED- STATES PATENT @rricn.

ELEAZER 'KEMPSHALL, OF BOSTON, MASSAOHUSETTSI PLAYING-BALL.

SPECIFICATION forming part of Letters Patent No. 704,882, dated July 15, 1902.

Application filed May 12, 1902; Serial No. 107,018, (No model.)

To @155 whom may concern: 3 Be it known that I, ELEAZER KEMPsHALL,

a citizeuof the United States, residingin'Boswhich the following is a specification- This invention relates generally to playing,

balls, and specifically to ballsnsed iuthe game of golf and its object is tofimprove thel flying power and other qualities of theball.

In the drawings forminga part of this spec)? fication, Figure 1 is a part sectional view of a golf-ball made in accordance with my present improvements, and Fig.2 shows a fragment of a perforated hard shell contained within the ball.

My improved ball consists, preferably, of a hard springy spherical filling l, inclosed by a layer 2 of soft rubber, the latter being inclosed by a thin hard elastic shell 3 and a casing l of springy plastic material, preferably celluloid, a thin soft-rubber layer 5 in; tervening between thecasing i and the thin shell 3. I prefer to make the shell 3 of celluloid, although other material may be em ployed. The flexibility of this hard shell may be increased by providing the same throughout with perforations 6, thus increasing the resiliency or flying power of the ball. The thin layer 5 of soft rubber is intended chiefly to act as a cushion between the hard shell 3 and the hard casing 4:, so as to difiuse the force of the blows'upon the latter and save it from damage, while calling-into action a larger area of the inner shell with the efiect of increasing the energy of the ball. It will be understood that when the outer shell or casing is depressed by a blow the soft rubber of the layer 5 is forced to flow sidewise away from the area of depression, thus not only cushioning the blow, but also calling into action a larger portion of the inner hard shell,

. and, further, by its own resiliency tending to the softrubber layers 2 and 5 mayprotrude somewhat into the holes 6 in the hard shell 3. If desired, said layers2 and 5 may be vulcanized together through the apertures 6 in the hard shell 3, so that the latter may be embedded throughout in the soft rubber.

It Willbe understood that the shock of the blow is taken chiefly by the hard thin shell 3,- which supports the celluloid or other plasti-c shell 4, so that the latter may not buckle, .while the intervening layers 2 and 5 contributeto both the durability and resiliency of the ball. In order to obtain these advantages, it is important that said inner shell 3 shall lie close to the outer shell 4, as illustrated, so as not to afford an opportunity for buckling of the latter. Moreover, by making the cushioning-layers thin it becomes impossible to effect displacement of said layers to such an extent as to burst the outer shell 4.

The soft layer 5 prevents beating out or peening of the celluloid or other plastic shell 4:, so that repeated blows thereon do not have the efiect of enlarging it and cause it to separate from or become loose upon the filling.

For certain games the shell 4 may be ornitted, and for other games a shell of difierent material and otherwise constructed may be substituted. So long as a thin-rubber cushioning-layer is placed bet-ween the hard inner shell 3 and the hard outer shell 4 and another cushioning-layer between said shell 3 and the hard core 1 other material may be used for the shell 3 or for the core 1. Other changes in details may be resorted to within the scope of my improvements.

Having described my invention, I claim 1. A playing-ball comprising a hard core; a soft-rubber layer thereon; said layer being inclosed by a hard shell of such thinness as to be highly resilient; and a layer of soft rubber covering said shell.

2. A playing-ball comprising a hard core; a soft-rubber layer thereon; a hard thin shell inclosing said layer and provided throughout with perforations; and a layer of softrubber covering said shell.

- 3. A playing} ball comprising a celluloid shell provided throughout with perforations, a thin layer of softrubber covering-saidshell,

and a cover of wear-resisting material upon sfiid rubber layer and close to said celluloid s ell.

4. A playing-ball comprising a hard thin shell provided throughout with perforations, a springy core reinforcing said shell, a thin layer of soft rubber covering said shell, and a casing of plastic material holding said rubber layer under compression.

5. A playing-ball comprising a celluloid shell, a layer of soft rubber covering said shell, the latter being provided throughout with perforations, and a shell of celluloid upon said rubber layer.

6. A playing-ball comprising a thin perforated hard shell; a sphere of hard springy material within said shell; a layer of soft ma terial between said sphere and said shell; and a layer or facing of springy material upon said shell.

7. A playing-ball comprising a hard thin shell lined with soft rubber and provided throughout with perforations; a hard center piece filling said lined shell; soft rubber forming a thin outer covering upon said shell; and

a shell of plastic material holding said softrubber covering under compression.

8. A playing-ball comprising a hard fleXi-. ble shell; afilling for said hard shell consisting of a sphere of hard material inclosed in soft rubber; a layer of soft rubber covering said shell; and a casing of plastic material holding said rubber covering under compression.

9. A playing-ball comprising a hard core; asoft-rubberlayer thereon; ahard perforated shell upon said layer; a soft-rubber facing upon said shell; and a casing of plastic material upon said soft-rubber facing.

10. A playing-ball comprising a hard core; a soft-rubber layer thereon; a perforated celluloid shell upon said layer; a soft-rubber facing upon said shell; and a casing of plastic material holding said rubber facing under compression.

ELEAZER KEMPSHALL. lVitnesses:

B. C. STICKNEY, FRED J. DOLE. 

